That's only the correct abstraction if you intended to hold off on releasing the rewrite until you were completely finished, because there's no universe where B

That's only the correct abstraction if you intended to hold off on releasing the rewrite until you were completely finished, because there's no universe where Bun of all projects releases a production version that uses clone and copy liberally. Unsafe in theory in a transliteration is only as unsafe as the original Zig was, which makes it a perfectly reasonable place to land as a transition point in a way that introducing large numbers of allocations simply isn't.